Alexander Wokaun is an ETH Professor and the Head of the General Energy Research Department at the Paul Scherrer Institute, Villigen, Switzerland. He received his PhD from the Swiss Federal Institute of Technology (ETH) in Zurich and subsequently worked at IBM and Bell Laboratories. From 1982 to 1985, he directed a program on surface energy transfer processes at ETH Zurich. In 1986, he became full professor of physical chemistry at the University of Bayreuth, with a research program comprising studies of materials surfaces, catalytic reaction mechanisms and laser surface modification. Since 19...